When an adverb modifies a verb with a helping verb, the adverb should generally be placed

Answer 1

What does your textbook say? What do you think?

Answer 2

Adverbs can often be placed several places in a sentence. Sometimes the placement is obvious when the writer wants to emphasize a particular word. Often, the adverb can be placed in at least two places.

Do you have a specific sentence in mind?